Identify a case study that uses an object oriented model describe its use
In software and systems engineering , the phrase use case is a polyseme with two senses :. A use case is a list of actions or event steps typically defining the interactions between a role known in the Unified Modeling Language UML as an actor and a system to achieve a goal. The actor can be a human or other external system. In systems engineering, use cases are used at a higher level than within software engineering , often representing missions or stakeholder goals.
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There are several different types of case studies, as well as several types of subjects of case studies. We will investigate each type in this article. It is also possible for types of case studies to overlap each other. Each of the following types of cases can be used in any field or discipline. Whether it is psychology, business or the arts, the type of case study can apply to any field.
A use case model shows a view of the system from the user perspective, thus describing what a system does without describing how the system does it. UML can be used to analyze the use case model, and to derive system objects and their interactions with each other and with the users of the system. Using UML techniques, you further analyze the objects and their interactions to derive object behavior, attributes, and relationships. A use case provides developers with a view of what the users want.
In the system analysis or object-oriented analysis phase of software development, the system requirements are determined, the classes are identified and the relationships among classes are identified. The three analysis techniques that are used in conjunction with each other for object-oriented analysis are object modelling, dynamic modelling, and functional modelling. Object modelling develops the static structure of the software system in terms of objects. It identifies the objects, the classes into which the objects can be grouped into and the relationships between the objects.